MICE: An Implicit Difference Scheme for MHD Calculations
MISSION RESEARCH CORP SANTA BARBARA CA
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The report describes the MICE code, which uses new numerical technique for solving the one fluid MHD equations. Although the technique evolved from some of the general ideas developed by Harlow and Amsden in their ICE Implicit, Continuous-Fluid, Eulerian method, it has been extensively modified, and is best described as an implicit Lax-Wendroff technique. The approximation of time-step-splitting is used, which greatly simplifies the numerical solution. Some numerical results are presented for two test problems. The MICE computation of the early expansion and rise of a hot bubble in an exponential atmosphere is compared to previously published calculations of the same problem. The buoyant rise of a warm infinitely long cylinder is calculated and the shape of the boundary is compared to an exact solution obtained by G. McCartor of MRC. The agreement is satisfactory in both cases.
- Computer Programming and Software
- Plasma Physics and Magnetohydrodynamics